Some people’s ears Produce wax like little busy bees. This c
Some people’s ears Produce wax like little busy bees. This can be a problem even though earwax appears to serve an impotent purpose. It protects and cleanse the ear. It traps dirt and other matter， and it keeps insects out. Doctors think earwax might also help protect against infections. And the waxy also keeps ears from getting too dry.
So earwax is good. It even has a medical name: ceriman. However， you can have too much of a good thing. The glands(腺体) in the ear make too much in some people . Earwax is normally removed; it falls out of the ear or gets washed away. But extra wax can harden and forma a blockage（堵塞）that reduces hearing.
People can also cause a blockage when they try to clean out their ears， but only push the wax deeper inside. Earwax removal is sometimes ‘ necessary. But you have to use a safe method or you could do a lot of damage.
Experts at the National Institute of Health， NIH， suggest three most useful ways to treat extra earwax yourself. The wax can be softened with mineral oil or ear drops.
Another way to remove Wax is known as irrigation. With the head upright， take hold of the outer part of the ear. Gently pull upward to straighten the ear canal. Use a syringe device(注射器）to gently direct water against the wall of the ear canal. Then turn the head to the side to let the water out.
Experts say you may have to repeat a few time . Use water that 15 body temperature. If the water is cooler or Warmer ， it could make you feel dizzy. Never try irrigation if the eardrum is broken. It could lead to infection and other problems.
68. Eanwaax has the following benefits EXCEPT.
A. keeping ears wet to trap dirt
B. protecting and · cleaning the ear
C. preventing ears from being infected
D. stopping insects from getting into ears
69. It can be concluded from Paragraph 2 that.
A. there cannot be too much earwax to improve your hearing
B. the less earwax there is， the healthier you will feel
C. the more earwax you have， the better your ears will · work
D. too much earwax can affect your hearing
70. We can learn from the passage that.
A. earwax helps to form the glands
B. earwax doesn’t need to be dealt with
C. earwax removal needs some cold or hot water
D. earwax removal through irrigation requires skills
71. What will most likely be discussed in the paragraph that follows?
A. The problems caused by irrigation
.B. one more way to get rid of earwax.
C. The assistance offered by the NIH.
D. The damage caused by unsafe methods.
So earwax is good. It even has a medical name: ceriman. However， you can have too much of a good thing. The glands(腺体) in the ear make too much in some people . Earwax is normally removed; it falls out of the ear or gets washed away. But extra wax can harden and forma a blockage（堵塞）that reduces hearing.
People can also cause a blockage when they try to clean out their ears， but only push the wax deeper inside. Earwax removal is sometimes ‘ necessary. But you have to use a safe method or you could do a lot of damage.
Experts at the National Institute of Health， NIH， suggest three most useful ways to treat extra earwax yourself. The wax can be softened with mineral oil or ear drops.
Another way to remove Wax is known as irrigation. With the head upright， take hold of the outer part of the ear. Gently pull upward to straighten the ear canal. Use a syringe device(注射器）to gently direct water against the wall of the ear canal. Then turn the head to the side to let the water out.
Experts say you may have to repeat a few time . Use water that 15 body temperature. If the water is cooler or Warmer ， it could make you feel dizzy. Never try irrigation if the eardrum is broken. It could lead to infection and other problems.
68. Eanwaax has the following benefits EXCEPT.
A. keeping ears wet to trap dirt
B. protecting and · cleaning the ear
C. preventing ears from being infected
D. stopping insects from getting into ears
69. It can be concluded from Paragraph 2 that.
A. there cannot be too much earwax to improve your hearing
B. the less earwax there is， the healthier you will feel
C. the more earwax you have， the better your ears will · work
D. too much earwax can affect your hearing
70. We can learn from the passage that.
A. earwax helps to form the glands
B. earwax doesn’t need to be dealt with
C. earwax removal needs some cold or hot water
D. earwax removal through irrigation requires skills
71. What will most likely be discussed in the paragraph that follows?
A. The problems caused by irrigation
.B. one more way to get rid of earwax.
C. The assistance offered by the NIH.
D. The damage caused by unsafe methods.
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